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Finding the Fourth Proportional to 668,259.70, 922,210.35 and 362,346.40

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Solution

The fourth proportional to 668,259.70, 922,210.35 and 362,346.40 is: 500,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,259.70 : 922,210.35 = 362,346.40 : x
  2. Step 2: Convert to fraction form
    668,259.70/922,210.35 = 362,346.40/x
  3. Step 3: Cross multiply
    668,259.70x = 922,210.35 × 362,346.40
  4. Step 4: Simplify right side
    668,259.70x = 334,159,600,365.24
  5. Step 5: Solve for x
    x = 334,159,600,365.24/668,259.70
  6. Step 6: Final answer
    x = 500,044.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.