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Finding the Fourth Proportional to 660,681.91, 909,547.01 and 592,581.03

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Solution

The fourth proportional to 660,681.91, 909,547.01 and 592,581.03 is: 815,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,681.91 : 909,547.01 = 592,581.03 : x
  2. Step 2: Convert to fraction form
    660,681.91/909,547.01 = 592,581.03/x
  3. Step 3: Cross multiply
    660,681.91x = 909,547.01 × 592,581.03
  4. Step 4: Simplify right side
    660,681.91x = 538,980,301,056.32
  5. Step 5: Solve for x
    x = 538,980,301,056.32/660,681.91
  6. Step 6: Final answer
    x = 815,793.95

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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.