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Finding the Fourth Proportional to 607,259.60, 909,095.16 and 581,278.16

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Solution

The fourth proportional to 607,259.60, 909,095.16 and 581,278.16 is: 870,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,259.60 : 909,095.16 = 581,278.16 : x
  2. Step 2: Convert to fraction form
    607,259.60/909,095.16 = 581,278.16/x
  3. Step 3: Cross multiply
    607,259.60x = 909,095.16 × 581,278.16
  4. Step 4: Simplify right side
    607,259.60x = 528,437,161,869.71
  5. Step 5: Solve for x
    x = 528,437,161,869.71/607,259.60
  6. Step 6: Final answer
    x = 870,199.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.